One addition: Tabulars seem to be involved. At least the corrupted files always ended with \begin_inset Tabular
Jürgen 2013/10/3 Jürgen Spitzmüller <sp...@lyx.org> > I had three dataloss crashes within the last hour with current trunk > (while editing a not very complex beamer document). Both the emergency file > and the original file were corrupted (incomplete and thus not restorable). > > I managed to restore an earlier state at least via the backup (which was > OK), but the problem looked very severe. > > I'm afraid I have no time now to investigate further. > > Did anyone experience similar problems? > > Jürgen >